Professor Joanna Clark - Department of Geography and Environmental Science

Maslanka, W. ORCID: 0000-0002-1777-733X , Morrison, K. ORCID: 0000-0002-8075-0316 , White, K. , Verhoef, A. ORCID: 0000-0002-9498-6696 , Clark, J. ORCID: 0000-0002-0412-8824 (2022) Retrieval of sub-kilometric relative surface soil moisture with sentinel-1 utilizing different backscatter normalization factors. IEEE Transactions on Geoscience and Remote Sensing , 60 pp. 1-13. ISSN: 1558-0644 | doi: https://dx.doi.org/10.1109/tgrs.2022.3175256
Yageta, Y. , Osbahr, H. ORCID: 0000-0002-0130-2313 , Morimoto, Y. , Clark, J. ORCID: 0000-0002-0412-8824 (2022) Farmers’ mental models of soil fertility in a semi-arid area of Kenya. Soil Security , 7 ISSN: 2667-0062 | doi: https://dx.doi.org/10.1016/j.soisec.2022.100065
Maslanka, W. ORCID: 0000-0002-1777-733X , Morrison, K. , White, K. , Verhoef, A. , Clark, J. ORCID: 0000-0002-0412-8824 (2022) Retrieval of sub-kilometric relative surface soil moisture with Sentinel-1 utilizing different backscatter normalisation factors. IEEE Transaction on Geoscience and Remote Sensing ISSN: 1558-0644
Antony, D. , Collins, C. , Clark, J. ORCID: 0000-0002-0412-8824 , Sizmur, T. ORCID: 0000-0001-9835-7195 (2022) Soil organic matter storage in temperate lowland arable, grassland and woodland topsoil and subsoil. Soil Use and Management ISSN: 0266-0032 | doi: https://dx.doi.org/10.1111/sum.12801
Mehring, P. , Geoghegan, H. , Cloke, H. , Clark, J. ORCID: 0000-0002-0412-8824 (2022) Going home for tea and medals: how members of the flood risk management authorities in England construct flooding and flood risk management. Journal of Flood Risk Management , 15 (1). ISSN: 1753-318X | doi: https://dx.doi.org/10.1111/jfr3.12768
Hollands, C. , Shannon, V. , Sawicka, K. , Vanguelova, E. , Benham, S. , Shaw, L. , Clark, J. ORCID: 0000-0002-0412-8824 (2022) Management impacts on the dissolved organic carbon release from deadwood, ground vegetation and the forest floor in a temperate Oak woodland. Science of the Total Environment , 805 ISSN: 0048-9697 | doi: https://dx.doi.org/10.1016/j.scitotenv.2021.150399

Shannon, V. , Vanguelova, E. , Morison, J. , Shaw, L. , Clark, J. ORCID: 0000-0002-0412-8824 (2021) The contribution of deadwood to soil carbon dynamics in contrasting temperate forest ecosystems. European Journal of Forest Research ISSN: 1612-4677 | doi: https://dx.doi.org/10.1007/s10342-021-01435-3
Ferrando Jorge, N. , Clark, J. ORCID: 0000-0002-0412-8824 , Cardenas, M. , Geoghegan, H. , Shannon, V. (2021) Measuring soil colour to estimate soil organic carbon using a large-scale citizen science-based approach. Sustainability , 13 (19). ISSN: 2071-1050 | doi: https://dx.doi.org/10.3390/su131911029
Sawicka, K. , Clark, J. ORCID: 0000-0002-0412-8824 , Vanguelova, E. , Monteith, D. , Wade, A. (2021) Spatial properties affecting the sensitivity of soil water dissolved organic carbon long-term median concentrations and trends. Science of the Total Environment , 780 ISSN: 0048-9697 | doi: https://dx.doi.org/10.1016/j.scitotenv.2021.146670
Lees, K. , Khomik, M. , Quaife, T. ORCID: 0000-0001-6896-4613 , Clark, J. ORCID: 0000-0002-0412-8824 , Hill, T. , Klein, D. , Ritson, J. , Artz, R. (2021) Assessing the reliability of peatland GPP measurements by remote sensing: from plot to landscape scale. Science of the Total Environment , 766 ISSN: 0048-9697 | doi: https://dx.doi.org/10.1016/j.scitotenv.2020.142613

Lees, K. , Artz, R. , Khomik, M. , Clark, J. , Ritson, J. , Hancock, M. , Cowie, N. , Quaife, T. (2020) Using spectral indices to estimate water content and GPP in Sphagnum moss and other peatland vegetation. IEEE Transactions on Geoscience and Remote Sensing , 58 (7). pp. 4547-4557. ISSN: 0196-2892 | doi: https://dx.doi.org/10.1109/TGRS.2019.2961479
Pschenyckyj, C. , Clark, J. , Shaw, L. , Griffiths, R. , Evans, C. (2020) Effects of acidity on dissolved organic carbon in organic soil extracts, pore water and surface litters. Science of the Total Environment , 703 pp 0. ISSN: 0048-9697 | doi: https://dx.doi.org/10.1016/j.scitotenv.2019.135585

Elwin, A. , Bukoski, J. , Jintana, V. , Robinson, E. , Clark, J. (2019) Preservation and recovery of mangrove ecosystem carbon stocks in abandoned shrimp ponds. Scientific Reports , 9 ISSN: 2045-2322 | doi: https://dx.doi.org/10.1038/s41598-019-54893-6
Lees, K. , Clark, J. , Quaife, T. , Khomik, M. , Artz, R. (2019) Changes in carbon flux and spectral reflectance of Sphagnum mosses as a result of simulated drought. Ecohydrology , 12 (6). ISSN: 1936-0592 | doi: https://dx.doi.org/10.1002/eco.2123
Lees, K. , Quaife, T. , Artz, R. , Khomik, M. , Sottocomota, M. , Kiely, G. , Hambley, G. , Hill, T. , Saunders, M. , Cowle, N. , Ritson, J. , Clark, J. (2019) A model of gross primary productivity based on satellite data suggests formerly afforested peatlands undergoing restoration regain full photosynthesis capacity after five to ten years. Journal of Environmental Management , 246 pp. 594-604. ISSN: 0301-4797 | doi: https://dx.doi.org/10.1016/j.jenvman.2019.03.040
Ritson, J. , Croft, J. , Clark, J. , Brazier, R. , Templeton, M. , Smith, D. , Graham, N. (2019) Sources of dissolved organic carbon (DOC) in a mixed land use catchment (Exe, UK). Science of the Total Environment , 666 pp. 165-175. ISSN: 0048-9697 | doi: https://dx.doi.org/10.1016/j.scitotenv.2019.02.228
Yageta, Y. , Osbahr, H. , Morimoto, Y. , Clark, J. (2019) Comparing farmers’ qualitative evaluation of soil fertility with quantitative soil fertility indicators in Kitui County, Kenya. Geoderma , 344 pp. 153-163. ISSN: 0016-7061 | doi: https://dx.doi.org/10.1016/j.geoderma.2019.01.019

Bell, M. , Ritson, J. , Verhoef, A. , Brazier, R. , Templeton, M. , Graham, N. , Freeman, C. , Clark, J. (2018) Sensitivity of peatland litter decomposition to changes in temperature and rainfall. Geoderma , 331 pp. 29-37. ISSN: 0016-7061 | doi: https://dx.doi.org/10.1016/j.geoderma.2018.06.002
Mehring, P. , Geoghegan, H. , Cloke, H. , Clark, J. (2018) What is going wrong with community engagement? How flood communities and flood authorities construct engagement and partnership working. Environmental Science & Policy , 89 pp. 109-115. ISSN: 1462-9011 | doi: https://dx.doi.org/10.1016/j.envsci.2018.07.009
Lees, K. , Quaife, T. , Artz, R. , Khomik, M. , Clark, J. (2018) Potential for using remote sensing to estimate carbon fluxes across Northern peatlands: a review. Science of the Total Environment , 615 pp. 857-874. ISSN: 0048-9697 | doi: https://dx.doi.org/10.1016/j.scitotenv.2017.09.103

Ritson, J. , Brazier, R. , Graham, N. , Freeman, C. , Templeton, M. , Clark, J. (2017) The effect of drought on dissolved organic carbon (DOC) release from peatland soil and vegetation sources. Biogeosciences , 14 (11). pp. 2891-2902. ISSN: 1726-4170 | doi: https://dx.doi.org/10.5194/bg-14-2891-2017
Sawicka, K. , Rowe, E. , Evans, C. , Monteith, D. , Vanguelova, E. , Wade, A. , Clark, J. (2017) Modelling impacts of atmospheric deposition and temperature on long-term DOC trends. Science of the Total Environment ISSN: 0048-9697 | doi: https://dx.doi.org/10.1016/j.scitotenv.2016.10.164

Ritson, J. , Bell, M. , Brazier, R. , Grand-Clement, E. , Graham, N. , Freeman, C. , Smith, D. , Templeton, M. , Clark, J. (2016) Managing peatland vegetation for drinking water treatment. Scientific Reports , 6 ISSN: 2045-2322 | doi: https://dx.doi.org/10.1038/srep36751
Sawicka, K. , Monteith, D. , Vanguelova, E. , Wade, A. , Clark, J. (2016) Fine-scale temporal characterization of trends in soil water dissolved organic carbon and potential drivers. Ecological Indicators , 68 pp. 36-51. ISSN: 1470-160X | doi: https://dx.doi.org/10.1016/j.ecolind.2015.12.028
Fernández-Romero, M. , Parras-Alcántara, L. , Lozano-García, B. , Clark, J. , Collins, C. (2016) Soil quality assessment based on carbon stratification index in different olive grove management practices in Mediterranean areas. Catena , 137 pp. 449-458. ISSN: 0341-8162 | doi: https://dx.doi.org/10.1016/j.catena.2015.10.019
Smith, P. , House, J. , Bustamante, M. , Sobocká, J. , Harper, R. , Pan, G. , West, P. , Clark, J. , Adhya, T. , Rumpel, C. , Paustian, K. , Kuikman, P. , Cotrufo, M. , Elliott, J. , McDowell, R. , Griffiths, R. , Asakawa, S. , Bondeau, A. , Jain, A. , Meersmans, J. , Pugh, T. (2016) Global change pressures on soils from land use and management. Global Change Biology , 22 (3). pp. 1008-1028. ISSN: 1365-2486 | doi: https://dx.doi.org/10.1111/gcb.13068
Fernández-Romero, M. , Clark, J. , Collins, C. , Parras-Alcántara, L. , Lozano-García, B. (2016) Evaluation of optical techniques for characterising soil organic matter quality in agricultural soils. Soil and Tillage Research , 155 pp. 450-460. ISSN: 0167-1987 | doi: https://dx.doi.org/10.1016/j.still.2015.05.004
Fernández-Romero, M. , Lozano-García, B. , Parras-Alcántara, L. , Collins, C. , Clark, J. (2016) Effects of land management on different forms of soil carbon in olive groves in Mediterranean areas. Land Degradation and Development , 27 (4). pp. 1186-1195. ISSN: 1085-3278 | doi: https://dx.doi.org/10.1002/ldr.2327

Smith, P. , Cotrufo, M. , Rumpel, C. , Paustian, K. , Kuikman, P. , Elliott, J. , McDowell, R. , Griffiths, R. , Asakawa, S. , Bustamante, M. , House, J. , Sobocká, J. , Harper, R. , Pan, G. , West, P. , Gerber, J. , Clark, J. , Adhya, T. , Scholes, R. , Scholes, M. (2015) Biogeochemical cycles and biodiversity as key drivers of ecosystem services provided by soils. SOIL , 1 (2). pp. 665-685. ISSN: 2199-398X | doi: https://dx.doi.org/10.5194/soil-1-665-2015
Smith, P. , Cotrufo, M. , Rumpel, C. , Paustian, K. , Kuikman, P. , Elliott, J. , McDowell, R. , Griffiths, R. , Asakawa, S. , Bustamante, M. , House, J. , Sobocká, J. , Harper, R. , Pan, G. , West, P. , Gerber, J. , Clark, J. , Adhya, T. , Scholes, R. , Scholes, M. (2015) Biogeochemical cycles and biodiversity as key drivers of ecosystem services provided by soils. SOIL Discussions , 2 (1). pp. 537-586. ISSN: 2199-3998 | doi: https://dx.doi.org/10.5194/soild-2-537-2015

Ritson, J. , Bell, M. , Graham, N. , Templeton, M. , Brazier, R. , Verhoef, A. , Freeman, C. , Clark, J. (2014) Simulated climate change impact on summer dissolved organic carbon release from peat and surface vegetation: implications for drinking water treatment. Water Research , 67 pp. 66-76. ISSN: 0043-1354 | doi: https://dx.doi.org/10.1016/j.watres.2014.09.015
Gougoulias, C. , Clark, J. , Shaw, L. (2014) The role of soil microbes in the global carbon cycle: tracking the below-ground microbial processing of plant-derived carbon for manipulating carbon dynamics in agricultural systems.. Journal of the Science of Food and Agriculture , 94 (12). pp. 2362-2371. ISSN: 0022-5142 | doi: https://dx.doi.org/10.1002/jsfa.6577
Ritson, J. , Graham, N. , Templeton, M. , Clark, J. , Gough, R. , Freeman, C. (2014) The impact of climate change on the treatability of dissolved organic matter (DOM) in upland water supplies: A UK perspective. Science of the Total Environment , 473-474 pp. 714-730. ISSN: 0048-9697 | doi: https://dx.doi.org/10.1016/j.scitotenv.2013.12.095

Swaine, M. , Obrike, R. , Clark, J. , Shaw, L. (2013) Biochar alteration of the sorption of substrates and products in Soil Enzyme Assays. Applied and Environmental Soil Science , 2013 ISSN: 1687-7667 | doi: https://dx.doi.org/10.1155/2013/968682
Palmer, S. , Clark, J. , Chapman, P. , van der Heijden, G. , Bottrell, S. (2013) Effects of acid sulphate on DOC release in mineral soils: the influence of SO42−retention and Al release. European Journal of Soil Science , 64 (6). pp. 537-544. ISSN: 1365-2389 | doi: https://dx.doi.org/10.1111/ejss.12048
Tang, R. , Clark, J. , Bond, T. , Graham, N. , Hughes, D. , Freeman, C. (2013) Assessment of potential climate change impacts on peatland dissolved organic carbon release and drinking water treatment from laboratory experiments. Environmental Pollution , 173 pp. 270-277. ISSN: 0269-7491 | doi: https://dx.doi.org/10.1016/j.envpol.2012.09.022

Artz, R. , Donnelly, D. , Cuthbert, A. , Evans, C. , Smart, S. , Reed, M. , Kenter, J. , Clark, J. (2012) Restoration of lowland raised bogs in Scotland: emissions savings and the implications of a changing climate on lowland raised bog condition. Scottish Wildlife Trust and The James Hutton Institute pp 80.
Evans, C. , Jones, T. , Burden, A. , Ostle, N. , Zieliński, P. , Cooper, M. , Peacock, M. , Clark, J. , Oulehle, F. , Cooper, D. , Freeman, C. (2012) Acidity controls on dissolved organic carbon mobility in organic soils. Global Change Biology , 18 (11). pp. 3317-3331. ISSN: 1365-2486 | doi: https://dx.doi.org/10.1111/j.1365-2486.2012.02794.x
Clark, J. , Heinemeyer, A. , Martin, P. , Bottrell, S. (2012) Processes controlling DOC in pore water during simulated drought cycles in six different UK peats. Biogeochemistry , 109 (1-3). pp. 253-270. ISSN: 1573-515X | doi: https://dx.doi.org/10.1007/s10533-011-9624-9

House, J. , Clark, J. , Gallego-Sala, A. , Orr, H. (2011) Vulnerability of upland peatland services to climate change. Environment Agency pp 109.
Clark, J. , van der Heijden, G. , Palmer, S. , Chapman, P. , Bottrell, S. (2011) Variation in the sensitivity of DOC release between different organic soils following H2SO4 and sea-salt additions. European Journal of Soil Science , 62 (2). pp. 267-284. ISSN: 1351-0754 | doi: https://dx.doi.org/10.1111/j.1365-2389.2010.01344.x

Gallego-Sala, A. , Clark, J. , House, J. , Orr, H. , Prentice, I. , Smith, P. , Farewell, T. , Chapman, S. (2010) Bioclimatic envelope model of climate change impacts on blanket peatland distribution in Great Britain . Climate Research , 45 pp. 151-162. ISSN: 0936-577X | doi: https://dx.doi.org/10.3354/cr00911
Billett, M. , Charman, D. , Clark, J. , Evans, C. , Evans, M. , Ostle, N. , Worrall, F. , Burden, A. , Dinsmore, K. , Jones, T. , McNamara, N. , Parry, L. , Rowson, J. , Rose, R. (2010) Carbon balance of UK peatlands: current state of knowledge and future research challenges . Climate Research , 45 pp. 13-29. ISSN: 0936-577X | doi: https://dx.doi.org/10.3354/cr00903
Clark, J. , Orr, H. , Freer, J. , House, J. , Smith, P. , Freeman, C. (2010) Assessment of projected changes in upland environments using simple climatic indices . Climate Research , 45 pp. 87-104. ISSN: 0936-577X | doi: https://dx.doi.org/10.3354/cr00923
Clark, J. , Gallego-Sala, A. , Allott, T. , Chapman , S. , Farewell, T. , Freeman, C. , House, J. , Orr, H. , Prentice, I. , Smith, P. (2010) Assessing the vulnerability of blanket peat to climate change using an ensemble of statistical bioclimatic envelope models. Climate Research , 45 pp. 131-150. ISSN: 0936-577X | doi: https://dx.doi.org/10.3354/cr00929
Smart, S. , Henrys, P. , Scott, W. , Hall, J. , Evans, C. , Crowe, A. , Rowe, E. , Dragosits, U. , Page, T. , Whyatt, J. , Sowerby, A. , Clark, J. (2010) Impacts of pollution and climate change on ombrotrophic Sphagnum species in the UK: analysis of uncertainties in two empirical niche models. Climate Research , 45 pp. 163-177. ISSN: 0936-577X | doi: https://dx.doi.org/10.3354/cr00969
Clark, J. , Billett, M. , Coyle, M. , Croft, S. , Daniels, S. , Evans, C. , Evans, M. , Freeman, C. , Gallego-Sala, A. , Heinemeyer, A. , House, J. , Monteith, D. , Nayak, D. , Orr, H. , Prentice, I. , Rose, R. , Rowson, J. , Smith, J. , Smith, P. , Tun, Y. , Vanguelova, E. , Wetterhall, F. , Worrall, F. (2010) Model inter-comparison between statistical and dynamic model assessments of the long-term stability of blanket peat in Great Britain (1940-2099). Climate Research , 45 pp. 227-248. ISSN: 0936-577X | doi: https://dx.doi.org/10.3354/cr00974
House, J. , Orr, H. , Clark, J. , Gallego-Sala, A. , Freeman, C. , Prentice, I. , Smith, P. (2010) Climate change and the British Uplands: evidence for decision-making. Climate Research , 45 pp. 3-12. ISSN: 0936-577X | doi: https://dx.doi.org/10.3354/cr00982
Clark, J. , Bottrell, S. , Evans, C. , Monteith, D. , Bartlett, R. , Rose, R. , Newton, R. , Chapman, P. (2010) The importance of the relationship between scale and process in understanding long-term DOC dynamics. Science of the Total Environment , 408 (13). pp. 2768-2775. ISSN: 0048-9697 | doi: https://dx.doi.org/10.1016/j.scitotenv.2010.02.046

Clark, J. , Ashley, D. , Wagner, M. , Chapman, P. , Lane, S. , Evans, C. , Heathwaite, A. (2009) Increased temperature sensitivity of net DOC production from ombrotrophic peat due to water table draw-down. . Global Change Biology , 15 (4). pp. 794-807. ISSN: 1365-2486 | doi: https://dx.doi.org/10.1111/j.1365-2486.2008.01683.x

Clark, J. , Evans, C. , Bottrell, S. , Monteith, D. , Rose, R. , Ratcliffe, M. , Chapman, P. (2008) Have increased dissolved organic carbon (DOC) losses from UK peat and organo-mineral soils been driven by the decline in acid rain?. pp. 576-579.
Clark, J. , Heinemeyer, A. , Martin, P. , Bottrell, S. (2008) Linking carbon and sulphur cycling during simulated drought cycles in peat from six sites across the UK. pp. 572-575.
Chapman, P. , Clark, J. , Reynolds, B. , Adamson, J. (2008) The influence of organic acids in relation to acid deposition in controlling the acidity of soil and stream waters on a seasonal basis. Environmental Pollution , 151 (1). pp. 110-120. ISSN: 0269-7491 | doi: https://dx.doi.org/10.1016/j.envpol.2007.03.001
Evans, C. , Monteith, D. , Reynolds, B. , Clark, J. (2008) Buffering of recovery from acidification by organic acids. Science of the Total Environment , 404 (2-3). pp. 316-325. ISSN: 0048-9697 | doi: https://dx.doi.org/10.1016/j.scitotenv.2007.11.003
Clark, J. , Lane, S. , Chapman, P. , Adamson, J. (2008) Link between DOC in near surface peat and stream water in an upland catchment. Science of the Total Environment , 404 (2-3). pp. 308-315. ISSN: 0048-9697 | doi: https://dx.doi.org/10.1016/j.scitotenv.2007.11.002

Evans, C. , Monteith, D. , Wright, D. , Clark, J. (2007) Issues affecting upland water quality: Climate change, acidity, nitrogen and water colour. pp. 21-25.
Bottrell, S. , Mortimer, R. , Spence, M. , Krom, M. , Clark, J. , Chapman, P. (2007) Insights into redox cycling of sulfur and iron in peatlands using high-resolution diffusive equilibrium thin film (DET) gel probe sampling . Chemical Geology , 244 (3-4). pp. 409-420. ISSN: 0009-2541 | doi: https://dx.doi.org/10.1016/j.chemgeo.2007.06.028
Clark, J. , Lane, S. , Chapman , P. , Adamson, J. (2007) Export of dissolved organic carbon from an upland peatland during storm events: implications for flux estimates . Journal of Hydrology , 347 (3-4). pp. 438-447. ISSN: 0022-1694 | doi: https://dx.doi.org/10.1016/j.jhydrol.2007.09.030

Clark, J. , Chapman, P. , Heathwaite, A. , Adamson, J. (2006) Suppression of dissolved organic carbon by sulfate induced acidification during simulated droughts. Environmental Science & Technology , 40 (6). pp. 1776-1783. ISSN: 0013-936X | doi: https://dx.doi.org/10.1021/es051488c
Evans, C. , Chapman, P. , Clark, J. , Monteith, D. , Cresser, M. (2006) Alternative explanations for rising dissolved organic carbon export from organic soils. Global Change Biology , 12 (11). pp. 2044-2053. ISSN: 1365-2486 | doi: https://dx.doi.org/10.1111/j.1365-2486.2006.01241.x

Chapman, P. , Clark, J. , Heathwaite, A. , Adamson, J. , Lane, S. (2005) Sulphate controls on dissolved organic carbon dynamics in blanket peat: linking field and laboratory evidence. In: Heathwaite, L. , Webb, B. , Rosenberry, D. , Weaver, D. , Hayashi, M. , (eds.) Dynamics and biogeochemistry of river corridors and wetlands . IAHS Press , Wallingford. pp. 3-9. ISBN: 1901502031
Clark, J. , Chapman, P. , Adamson, J. , Lane, S. (2005) Influence of drought-induced acidification on the mobility of dissolved organic carbon in peat soils. Global Change Biology , 11 (5). pp. 791-809. ISSN: 1365-2486 | doi: https://dx.doi.org/10.1111/j.1365-2486.2005.00937.x

Joanna Clark

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Joanna Clark

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